Find the series' radius of convergence. ∑ n=1 ∞ n! 3 ⋅ 6 ⋅ 9 ⋅ … ⋅ 3n

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Find the series' radius of convergence. ∑ n=1 ∞ n! 3 ⋅ 6 ⋅ 9 ⋅ … ⋅ 3n x n The radius of convergence is. (Type an integer or a simplified fraction.)

$Find the series' radius of convergence. ∑ n=1 ∞ n! 3 ⋅ 6 ⋅ 9 ⋅ … ⋅ 3n x n The radius of convergence is. (Type an integer or a simplified fraction.)$

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Find the series' radius of convergence.

\sum_{n = 1}^{\infty} \frac{n!}{3 \cdot 6 \cdot 9 \cdot \dots \cdot 3 n} x^{n}

The radius of convergence is

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(Type an integer or a simplified fraction.)

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$Find the series' radius of convergence. ∑ n=1 ∞ 3 ⋅ 6 ⋅ 9 ⋅ ⋯ 3n n! x n The radius of convergence is. (Type an integer or a simplified fraction.)$

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